Understand: Water Challenges in the UAE
Transcript of Understand: Water Challenges in the UAE
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Understand: Water Challenges in the UAE
“Water is more important than oil”
H.H. Mohammed bin Zayed Al-NahyanCrown Prince of Abu Dhabi and Deputy Supreme Commander of the UAE Armed Forces
World Resources Institute
Aqueduct Risk Atlas, 2015
20
40
Pro
jec
tio
n
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Masdar RE Water desalination program objective is to develop and
demonstrate advanced and innovative seawater desalination
technologies that:
are more energy efficient than current state-of-the-art systems;
are suitable to be powered by renewable energy sources;
are cost competitive with non-renewable energy powered seawater desalination;
have minimal environmental impact; and
are resilient in challenging seawater and environmental conditions
Objectives
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Selected Partners
Qualified bidders
Received SOQs
Invited bidders
RFQ
RFP
Pilots
The selection process
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Project Implementation
The demonstration includes 5 pilot plants located in Ghantoot, Abu
Dhabi. Each pilot plant will be operated over 18 months;
Masdar implements the program in close collaboration with the Abu
Dhabi governmental agencies in the water sector;
The 5 pilot plants will demonstrate different advanced and innovative
desalination technologies.
ABENGOA
Reverse Osmosis
+ Membrane Distillation
1,000 m3/d
SIDEM/VEOLIA
Reverse Osmosis
300 m3/d
SUEZ
Reverse Osmosis
+ Ion Exchange
100 m3/d
TREVI SYSTEMS
Forward Osmosis
50 m3/d
MASCARA NT
Off-grid Solar Powered
Reverse Osmosis
30 m3/d
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Project Site
• The Project is located in Ghantoot, in the Emirate of Abu Dhabi,
which is a coastal place around 65 km northeast of the city of Abu
Dhabi and around 60 km southwest of Dubai.
Ghantoot
Arabian Gulf
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Pilot Plant Setup
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Pilot plant
operation time
Months
1 – 2
Month
3
Months
3 - 12
Months
12 – 18
Operational
modeInitial setup
Availability
test
Reliability test
periodOptimization
Plant availability 30 – 50 % 100% Min 80% Up to 100%
100%
50%
80%
30%
Pla
nt
Avail
ab
ilit
y
AV
AIL
AB
ILIT
Y T
ES
T
RELIABILITY
TEST PERIOD
OPTIMIZATION
SET UP
Test Regime
0 2 3 6 9 12 18 months
Acceptance Test
Performance Test
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Abengoa
desalination
pilot plant
Trevi
Systems
desalination
pilot plant
Suez
desalination
pilot plant
Veolia
desalination
pilot plant
Site Photos
Mascara
desalination pilot
plant
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Veolia
Description of Technology
• 2-pass RO desalination system with a special center-port configuration;
• Combination of dissolved air flotation + gravity dual media filter in a single unit
reduces pressure loss and required civil works;
• OSMOREC’s energy recovery device: uses energy from the brine to pressurize
the feed, lowering the required energy for feed pressurization
Key results
• Plant has successfully completed the acceptance test, availability test, and the
reliability tests and is currently in the last phase of the pilot program, the
optimization phase.
DAFF
Filter
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Suez
Description of Technology
• 2-pass RO system using dissolved air floatation and ultrafiltration as pre-
treatment.
• The RO system is integrated with an innovative brine management unit
(AquaOmnes™) based on a liquid-liquid ion exchange. This enables an
increased recovery ratio.
Key results
• Plant has successfully completed the acceptance test, availability test, and
the reliability tests and is currently in the last phase of the pilot program, the
optimization phase.
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Abengoa
Description of Technology
• Integrated RO and MD plant, where the brine from the 1st pass RO plant is
treated using the downstream MD system
• Innovative combination, which has the potential to increase the total recovery
ratio and to reduce the energy consumption compared to the state-of-the-art
• The increased recovery ratio lowers the environmental impact of the
desalination plant
Key results
• Plant has successfully completed the acceptance and availability test. The
plant is currently being tested for reliability.
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Trevi Systems
Description of Technology
• This pilot plant is demonstrating forward osmosis desalination technology
• It applies the natural process of osmosis to extract water from seawater due to
a difference in osmotic pressure
• The process uses a thermally regenerated draw solution (patented by Trevi
Systems) to carry out the separation.
Key results
• Plant has successfully completed the commissioning and first testing phase.
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Mascara NT
Description of Technology
• This pilot plant demonstrates fully solar powered off-grid reverse osmosis
technology without use of batteries
• The desalination unit is operated only during sunlight hours
• Proprietary technology allows operation under varying power supply
• Seawater supply via beach well
Key results
• Plant has successfully completed the acceptance test. The plant is currently
being tested for reliability.
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Accompanying Research at Masdar Institute
MI supports all 5 partners with accompanying R&D
Evaluate scaling and
fouling processes in
membrane distillation
modules.
- Strategies to reduce
scaling and fouling
- Evaluation and
troubleshooting report
for commercial plants.
Q1 / 2016
Develop capacitive
de-ionization of RO
product water to avoid
double-pass RO
systems.
- Demonstration of
100l/h unit in lab envir
- Identified
improvements on
electrode materials
- Evaluation of bio-
fouling propensity;
- Basic design for
20,000 m3/d
RO+CapDI plant.
Q2 / 2017
Develop optimized
design of solar energy
powered RO plant
using most practical
and economical.
- Optimized processes
and configurations for
solar RO plants
- Cost of water by
solar RO plants.
Q1 / 2017
Develop and test high
temperature FO
membranes and
manufacturing
techniques.
- Developed a recipe
for composition and
structure of advanced
FO membranes
- Experimental
verification of
prototype membranes
- Developed novel
manufacturing
techniques.
Q1 / 2016
Scope Scope ScopeScope
Results
Expected completion Expected Completion CompletionCompletion
Evaluate feasibility of
PV system active
cooling in terms of
productivity for solar
powered desalination.
- Quantification of
active cooling impact
on photovoltaic
system used for
desalination.
- Experimental
prototype of the active
cooling system.
Q1 / 2018
Scope
Expected completion
Anticipated results Anticipated results Results Anticipated results
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ILF-Organisation\Präsentationen\ILF-Group_en_rev8.ppt
Expected Results
Energy and cost savings: Estimated annual cost savings of 94 million USD is
expected from 2020 onwards, if 15% of Abu Dhabi’s newly built desalination
capacity is met by the implementation of the demonstrated energy efficient
technologies.
Reduced dependence on natural gas: The program will enable Abu Dhabi to
cost-effectively power desalination plants with renewable energy sources,
providing Abu Dhabi with the valuable option to reduce dependence on natural
gas for the production of water.
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Key Takeaways
• All pilot plants met Masdar’s performance expectations in terms of energy
consumption, reliability and water quality.
• Arabian Gulf seawater has proven to be challenging especially due to the
high organic and biological content.
• Reverse Osmosis has proven to be a reliable desalination technology to
produce drinking water even with challenging seawaters.
• Dissolved Air Floatation process has proven to be crucial to enhance the
performance of the pre-treatment and consequently of the desalination unit.
• The advanced design solutions for RO piloted in Ghantoot can be easily
scaled up to utility size.
• The program has demonstrated that producing drinking water with RO
plants powered with renewable energy sources is cost-effective, providing
Abu Dhabi with the valuable option to reduce the dependence on natural
gas for the production of water.
• The calculated cost of drinking water produced by a grid-connected PV-RO
plant with the technologies demonstrated in Ghantoot is 0.87 – 0.92
USD/m3.
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The ILF Group
Thank you for your attention!